title: Development of a portable bridge-to-decision blood pump.
abstract: We are developing an axial-flow pump with a cylindrical-impeller without airfoils. In the mock experiments of HA02 model a pressure of 13.3 kPa was obtained at a rotational speed of 12500 rpm and flow of 5L/min. The obtained pressure with HA02 was almost double than an airfoil-type impeller. The 2D analysis of hydrodynamic bearings for the pump revealed that a section with 3 or more arcs is stable with respect to angular position, and a minimum bearing gap of 100 µm can be attained at a design bearing gap of 150 µm and at a groove depth of 100 µm.
authors.forename: T
authors.initials: T
authors.lastname: Yamane
authors.forename: K
authors.initials: K
authors.lastname: Kitamura
mesh_terms: D001794:Blood Pressure; D006353:Heart-Assist Devices; D018056:Hemorheology; D057446:Hydrodynamics; D008962:Models, Theoretical; D011474:Prosthesis Design